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Properties

Label 2-2e4-16.11-c4-0-3
Degree $2$
Conductor $16$
Sign $0.895 + 0.445i$
Analytic cond. $1.65391$
Root an. cond. $1.28604$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.59 − 3.66i)2-s + (11.5 + 11.5i)3-s + (−10.9 − 11.6i)4-s + (−14.6 − 14.6i)5-s + (60.6 − 23.8i)6-s − 24.0·7-s + (−60.3 + 21.3i)8-s + 184. i·9-s + (−76.8 + 30.2i)10-s + (61.7 − 61.7i)11-s + (8.99 − 260. i)12-s + (−37.5 + 37.5i)13-s + (−38.2 + 88.1i)14-s − 336. i·15-s + (−17.6 + 255. i)16-s + 96.8·17-s + ⋯
L(s)  = 1  + (0.398 − 0.917i)2-s + (1.28 + 1.28i)3-s + (−0.682 − 0.731i)4-s + (−0.584 − 0.584i)5-s + (1.68 − 0.663i)6-s − 0.490·7-s + (−0.942 + 0.334i)8-s + 2.27i·9-s + (−0.768 + 0.302i)10-s + (0.510 − 0.510i)11-s + (0.0624 − 1.80i)12-s + (−0.222 + 0.222i)13-s + (−0.195 + 0.449i)14-s − 1.49i·15-s + (−0.0689 + 0.997i)16-s + 0.335·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.895 + 0.445i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.895 + 0.445i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(16\)    =    \(2^{4}\)
Sign: $0.895 + 0.445i$
Analytic conductor: \(1.65391\)
Root analytic conductor: \(1.28604\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{16} (11, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 16,\ (\ :2),\ 0.895 + 0.445i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.60166 - 0.376500i\)
\(L(\frac12)\) \(\approx\) \(1.60166 - 0.376500i\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.59 + 3.66i)T \)
good3 \( 1 + (-11.5 - 11.5i)T + 81iT^{2} \)
5 \( 1 + (14.6 + 14.6i)T + 625iT^{2} \)
7 \( 1 + 24.0T + 2.40e3T^{2} \)
11 \( 1 + (-61.7 + 61.7i)T - 1.46e4iT^{2} \)
13 \( 1 + (37.5 - 37.5i)T - 2.85e4iT^{2} \)
17 \( 1 - 96.8T + 8.35e4T^{2} \)
19 \( 1 + (156. + 156. i)T + 1.30e5iT^{2} \)
23 \( 1 - 959.T + 2.79e5T^{2} \)
29 \( 1 + (350. - 350. i)T - 7.07e5iT^{2} \)
31 \( 1 + 237. iT - 9.23e5T^{2} \)
37 \( 1 + (560. + 560. i)T + 1.87e6iT^{2} \)
41 \( 1 - 1.80e3iT - 2.82e6T^{2} \)
43 \( 1 + (-206. + 206. i)T - 3.41e6iT^{2} \)
47 \( 1 - 1.59e3iT - 4.87e6T^{2} \)
53 \( 1 + (2.23e3 + 2.23e3i)T + 7.89e6iT^{2} \)
59 \( 1 + (-2.35e3 + 2.35e3i)T - 1.21e7iT^{2} \)
61 \( 1 + (4.44e3 - 4.44e3i)T - 1.38e7iT^{2} \)
67 \( 1 + (3.99e3 + 3.99e3i)T + 2.01e7iT^{2} \)
71 \( 1 - 4.92e3T + 2.54e7T^{2} \)
73 \( 1 - 2.65e3iT - 2.83e7T^{2} \)
79 \( 1 - 8.79e3iT - 3.89e7T^{2} \)
83 \( 1 + (228. + 228. i)T + 4.74e7iT^{2} \)
89 \( 1 + 1.05e4iT - 6.27e7T^{2} \)
97 \( 1 - 1.10e4T + 8.85e7T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−19.17584595974085617836731236789, −16.58551666090320423692259634048, −15.30834055529718772232564129899, −14.27464466343625529987408896839, −12.91680420581687463946079406359, −11.07623545870791620437147909776, −9.570241631106630927038022129565, −8.641861570286521097512944579674, −4.63321888821984903121493299752, −3.24136632779191059008346759910, 3.31899641249790776604097509629, 6.73955090828850978221781892691, 7.64628811669246102234889741563, 9.092123188883225691197934584075, 12.25629850445580637020621486542, 13.27082143254654524369379200458, 14.55080387615144459262081701660, 15.25237178346426632208636044805, 17.23197139507562589712522624123, 18.67362143382087843869620817233

Graph of the $Z$-function along the critical line